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ID

VAR-202103-1167


CVE

CVE-2021-26810


TITLE

D-link DIR-816 A2  Code injection vulnerabilities

Trust: 0.8

sources: JVNDB: JVNDB-2021-005095

DESCRIPTION

D-link DIR-816 A2 v1.10 is affected by a remote code injection vulnerability. An HTTP request parameter can be used in command string construction in the handler function of the /goform/dir_setWanWifi, which can lead to command injection via shell metacharacters in the statuscheckpppoeuser parameter. D-link DIR-816 A2 Contains a code injection vulnerability.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. D-link DIR-816 A2 is a wireless AC750 dual-band router

Trust: 2.25

sources: NVD: CVE-2021-26810 // JVNDB: JVNDB-2021-005095 // CNVD: CNVD-2021-26374 // VULMON: CVE-2021-26810

IOT TAXONOMY

category:['Network device']sub_category: -

Trust: 0.6

sources: CNVD: CNVD-2021-26374

AFFECTED PRODUCTS

vendor:dlinkmodel:dir-816scope:eqversion:1.10b05

Trust: 1.0

vendor:d linkmodel:dir-816 a2scope:eqversion:dir-816 a2 firmware 1.10

Trust: 0.8

vendor:d linkmodel:dir-816 a2scope:eqversion: -

Trust: 0.8

vendor:d linkmodel:dir-816 a2scope: - version: -

Trust: 0.6

vendor:d linkmodel:dir 1.10b05scope:eqversion:816

Trust: 0.6

sources: CNVD: CNVD-2021-26374 // JVNDB: JVNDB-2021-005095 // NVD: CVE-2021-26810

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2021-26810
value: CRITICAL

Trust: 1.0

NVD: CVE-2021-26810
value: CRITICAL

Trust: 0.8

CNVD: CNVD-2021-26374
value: HIGH

Trust: 0.6

CNNVD: CNNVD-202103-1674
value: CRITICAL

Trust: 0.6

VULMON: CVE-2021-26810
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2021-26810
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

CNVD: CNVD-2021-26374
severity: HIGH
baseScore: 10.0
vectorString: AV:N/AC:L/AU:N/C:C/I:C/A:C
accessVector: NETWORK
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 10.0
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.6

nvd@nist.gov: CVE-2021-26810
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 3.9
impactScore: 5.9
version: 3.1

Trust: 1.0

NVD: CVE-2021-26810
baseSeverity: CRITICAL
baseScore: 9.8
vectorString: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: CNVD: CNVD-2021-26374 // VULMON: CVE-2021-26810 // JVNDB: JVNDB-2021-005095 // CNNVD: CNNVD-202103-1674 // NVD: CVE-2021-26810

PROBLEMTYPE DATA

problemtype:CWE-78

Trust: 1.0

problemtype:Code injection (CWE-94) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2021-005095 // NVD: CVE-2021-26810

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202103-1674

TYPE

operating system commend injection

Trust: 0.6

sources: CNNVD: CNNVD-202103-1674

PATCH

title:Security Bulletinurl:https://www.dlink.com/en/security-bulletin

Trust: 0.8

title:D-link DIR-816 Fixes for code injection vulnerabilitiesurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=146572

Trust: 0.6

sources: JVNDB: JVNDB-2021-005095 // CNNVD: CNNVD-202103-1674

EXTERNAL IDS

db:NVDid:CVE-2021-26810

Trust: 3.1

db:JVNDBid:JVNDB-2021-005095

Trust: 0.8

db:CNVDid:CNVD-2021-26374

Trust: 0.6

db:CNNVDid:CNNVD-202103-1674

Trust: 0.6

db:VULMONid:CVE-2021-26810

Trust: 0.1

sources: CNVD: CNVD-2021-26374 // VULMON: CVE-2021-26810 // JVNDB: JVNDB-2021-005095 // CNNVD: CNNVD-202103-1674 // NVD: CVE-2021-26810

REFERENCES

url:https://github.com/gd008/vuln/blob/main/dir-816.md

Trust: 2.5

url:https://nvd.nist.gov/vuln/detail/cve-2021-26810

Trust: 2.0

url:https://www.dlink.com/en/security-bulletin/

Trust: 1.7

url:https://cwe.mitre.org/data/definitions/94.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: CNVD: CNVD-2021-26374 // VULMON: CVE-2021-26810 // JVNDB: JVNDB-2021-005095 // CNNVD: CNNVD-202103-1674 // NVD: CVE-2021-26810

SOURCES

db:CNVDid:CNVD-2021-26374
db:VULMONid:CVE-2021-26810
db:JVNDBid:JVNDB-2021-005095
db:CNNVDid:CNNVD-202103-1674
db:NVDid:CVE-2021-26810

LAST UPDATE DATE

2024-11-23T22:44:15.009000+00:00


SOURCES UPDATE DATE

db:CNVDid:CNVD-2021-26374date:2021-04-09T00:00:00
db:VULMONid:CVE-2021-26810date:2021-04-06T00:00:00
db:JVNDBid:JVNDB-2021-005095date:2021-12-07T09:09:00
db:CNNVDid:CNNVD-202103-1674date:2022-07-14T00:00:00
db:NVDid:CVE-2021-26810date:2024-11-21T05:56:51.033

SOURCES RELEASE DATE

db:CNVDid:CNVD-2021-26374date:2021-04-09T00:00:00
db:VULMONid:CVE-2021-26810date:2021-03-30T00:00:00
db:JVNDBid:JVNDB-2021-005095date:2021-12-07T00:00:00
db:CNNVDid:CNNVD-202103-1674date:2021-03-30T00:00:00
db:NVDid:CVE-2021-26810date:2021-03-30T14:15:13.607